Home / 31,272,581.12-43,155,409.92-17,522,124.80

Finding the Fourth Proportional to 31,272,581.12, 43,155,409.92 and 17,522,124.80

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Solution

The fourth proportional to 31,272,581.12, 43,155,409.92 and 17,522,124.80 is: 24,180,110.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272,581.12 : 43,155,409.92 = 17,522,124.80 : x
  2. Step 2: Convert to fraction form
    31,272,581.12/43,155,409.92 = 17,522,124.80/x
  3. Step 3: Cross multiply
    31,272,581.12x = 43,155,409.92 × 17,522,124.80
  4. Step 4: Simplify right side
    31,272,581.12x = 756,174,478,413,398.12
  5. Step 5: Solve for x
    x = 756,174,478,413,398.12/31,272,581.12
  6. Step 6: Final answer
    x = 24,180,110.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.